Python-hpilo

* Restore python 2.4 compatibility, which broke in 3.0

* Bugfixes in set_ers_direct_connect and get_persistent_boot
* xmldata now also supports querying for license keys

* A puppet module has been added
* More error codes get their own exception classes
* Passing incorrect arguments to hpilo_cli now causes it to consistently exit
with a nonzero exitcode
* A bug in dealing with SSL errors was fixed
* When saving responses retrieved using the ILO_LOCAL protocol, the
garbage data added by hponcfg is now properly removed

* When reading responses saved earlier, the protocol is now detected properly
* A new testsuite has been written
* Various bugs were fixed
* More error codes get their own exception classes

* hpilo_ca now creates sha256 signatures
* hpilo_ca now includes the localityName in certificates

* Major version bump as we're now dual licensed under GPL 3+ and APL at HP's
request, mainly for using hpilo.py with OpenStack
* Add more example applications: an elasticsearch importer and an automatic
firmware updater
* Modernize the hpilo_ca example
* hpilo_cli now understands --version, and hpilo.py has a __version__ attribute
* All development tools are moved to a subdir
* SSL certificate errors are now ignored under python 2.7.9+ and 3.5+ as well
* Add 'download_rib_firmware all all' to create a firmware mirror